Comparison

Acron B787 ETHOS vs Halldale Events

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

Acron B787 ETHOS

Features

Read full description

Acron B787 ETHOS app allows users to run courseware or freeplay Flight Management System Trainer (FMST). It is designed for aviation industry. This app requires a user account given to end-users currently affiliated with Acron ETHOS contract training partner. Please contact your airline training department or flight school for confirmation and download instructions.

About

Halldale Events

Features

Read full description

The official Halldale Events app is your mobile guide for each of Halldale Group’s world-leading aviation training events - WATS, APATS, EATS and AAETS. Use this app to plan your event experience, network with other attendees and learn more about the conference sessions, speakers, exhibitors and sponsors.

Screenshots

Halldale Events3 screens

Verdict

The call

The clearest difference is iOS requirement: Acron B787 ETHOS at 15.6 against Halldale Events's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Acron B787 ETHOS ships an update every 6 months, Halldale Events every 5 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 5 level

Acron B787 ETHOS versus Halldale Events: the parameters behind the verdict, then further details
Parameter	Acron B787 ETHOS	Halldale Events
Price	Free	Free
Update frequency	Every 6 months	Every 5 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPad	iPhone, iPad — better
Requires iOS	15.6 — better	17.0
Further details — not scored
Size	21 MB	78 MB
Age rating	4+	4+
Developer	Aerosim	Halldale Media Inc.

In-app purchases

None

Acron B787 ETHOS

No in-app purchases

None

Halldale Events

No in-app purchases

Questions

Is Acron B787 ETHOS free?

Acron B787 ETHOS is free to download, with no in-app purchases.

Is Halldale Events free?

Halldale Events is free to download, with no in-app purchases.

Do Acron B787 ETHOS or Halldale Events have ads?

Neither Acron B787 ETHOS nor Halldale Events shows ads.

Which is updated more often, Acron B787 ETHOS or Halldale Events?

Acron B787 ETHOS ships an update every 6 months, and Halldale Events every 5 months. Most recently, Acron B787 ETHOS was updated on October 19, 2026 and Halldale Events on October 24, 2026.